<p>The package includes a bottom (3) board having a width corresponding to a thickness of a package- subject (20); and a front board (16) and a rear board (7), extending from fold lines (4, 5) at the width-direction ends of the bottom board (3). The package- subject (20) is packaged by allowing the; package-subject to abut on the bottom board (3) and sandwiching the package- subject between lower sections of the front board (6) and. the rear board (7) to attach the upper section (80) of the front board (6) to the upper section of the rear board (7). A window portion (9) is provided at the lower section {66) of the front board (6) for exposing at least a portion of the package- subject (20). Perforations (4, 5) are formed at least one of the fold lines between the front board (6) and the bottom board (3), and between the rear board (7) and the bottom board (3).</p>